] WASHINGTON (Reuters) - EarthLink Inc. ELNK.O and Yahoo
] Inc. YHOO.O said on Monday they would begin tests of a
] new anti-spam technology that encodes digital signatures
] into customers' e-mail as a way to separate legitimate
] messages from unwanted spam.
]...
] Yahoo's DomainKeys embeds outgoing messages with an
] encrypted digital signature matched to a signature on the
] server computer that sends the message.

In the absence of a consensus, we will again have a competition of who carries the most weight and includes the most users. This is a good start toward that. If AOL comes onboard, we'd have a significant percentage of usage; considering that Microsoft, the other big player, has worn out its welcome, that may be enough to be declared Critical Mass.

Reuters | Latest Financial News / Full News Coverage